/* ==============================
   RESET & BASE
============================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --accent: #C8FFB8;
  --bg: #0A0A0A;
  --text: #ffffff;
  --green: #60C659;
  --font: 'Manrope', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
a:focus, a:focus-visible { outline: none; }
button { cursor: pointer; font-family: var(--font); border: none; outline: none; }
button:focus, button:focus-visible { outline: none; }
img { display: block; max-width: 100%; }

.container {
  max-width: 1920px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ==============================
   BUTTONS
============================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 70px;
  padding: 0 40px;
  background: var(--accent);
  color: #000;
  font-size: 32px;
  font-weight: 700;
  border-radius: 70px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.btn-primary:hover { opacity: 0.85; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 24px;
  border: 1.5px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font-size: 15px;
  font-weight: 600;
  border-radius: 42px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-outline:hover { background: var(--accent); color: #000; }

/* ==============================
   HEADER
============================== */
.header {
  position: sticky;
  top: 14px;
  z-index: 100;
  background: var(--accent);
  height: 60px;
  margin: 14px 16px 0;
  border-radius: 14px;
}

.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 28px;
}

.header__logo {
  flex-shrink: 0;
}
.header__logo img { height: 32px; width: auto; display: block; }

.header__nav {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
  justify-content: center;
}

.nav-link { 
  font-size: 18px;
  font-weight: 600;
  color: #000;
  transition: opacity 0.2s;
}
.nav-link:hover { opacity: 0.6; }
.nav-arrow { display: inline-flex; align-items: center; margin-left: 4px; vertical-align: middle; position: relative; top: -2px; }
.nav-sep { display: flex; align-items: center; flex-shrink: 0; }

.header__btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 18px 4px 4px;
  background: #0A0A0A;
  color: var(--accent);
  font-size: 17px;
  font-weight: 600;
  border-radius: 6px;
  flex-shrink: 0;
  transition: opacity 0.2s;
}
.header__btn svg { border-radius: 3px; flex-shrink: 0; width: 38px; height: 38px; }
.header__btn:hover { opacity: 0.85; }

/* ==============================
   HERO
============================== */
.hero {
  height: 90vh;
  width: 100%;
  display: flex;
  align-items: center;
}

.hero__inner {
  display: flex;
  align-items: stretch;
  width: 100%;
  height: 100%;
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 50%;
  flex-shrink: 0;
  padding: 70px 0;
}

.hero__title {
  font-size: 76px;
  font-weight: 600;
  line-height: 1.05;
  color: var(--text);
  letter-spacing: -3px;
}

.hero__bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.hero__subtitle {
  font-size: 18px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.55);
  max-width: 400px;
}

.hero__btn-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 18px 4px 4px;
  background: var(--accent);
  color: #0A0A0A;
  font-size: 20px;
  font-weight: 700;
  border-radius: 6px;
  white-space: nowrap;
  flex-shrink: 0;
  position: absolute;
  bottom: 70px;
  right: 0;
  transition: opacity 0.2s;
}
.hero__btn-cta svg { border-radius: 3px; flex-shrink: 0; width: 44px; height: 44px; }
.hero__btn-cta:hover { opacity: 0.85; }

.hero__visual {
  width: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero__logo-img {
  width: 80%;
  height: 80%;
  object-fit: contain;
}

/* ==============================
   TICKER
============================== */
.ticker {
  height: 72px;
  background: #111111;
  border-top: 1px solid #1e1e1e;
  border-bottom: 1px solid #1e1e1e;
  overflow: hidden;
  display: flex;
  align-items: center;
  position: relative;
}

.ticker::before,
.ticker::after {
  content: '';
  position: absolute;
  top: 0;
  width: 160px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.ticker::before {
  left: 0;
  background: linear-gradient(to right, #111111, transparent);
}
.ticker::after {
  right: 0;
  background: linear-gradient(to left, #111111, transparent);
}

.ticker__track {
  display: flex;
  align-items: center;
  animation: ticker-scroll 35s linear infinite;
  width: max-content;
}

.ticker__item {
  font-size: 24px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  padding: 0 20px;
  white-space: nowrap;
}

.ticker__item--accent { color: var(--accent); }

.ticker__sep {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  padding: 0 8px;
}

@keyframes ticker-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==============================
   INFO SECTION
============================== */
.info { padding: 100px 0 0; }

.info__top {
  display: flex;
  align-items: flex-start;
  gap: 400px;
  margin-bottom: 100px;
}

.info__avatars {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #444, #666);
  border: 2px solid var(--bg);
  margin-left: -14px;
}
.avatar:first-child { margin-left: 0; }

.info__texts {
  display: flex;
  flex-direction: column;
  gap: 24px;
  flex: 1;
}

.info__lead span {
  color: white;
  font-weight: bold;
}

.info__lead {
  font-size: 40px;
  font-weight: 400;
  line-height: 1;
  color: rgba(255, 255, 255, 0.5);
}
.info__lead strong { font-weight: 700; }

.info__body {
  font-size: 40px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1;
}

/* Circles row */
.circles-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  width: 100%;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}

.circle {
  aspect-ratio: 1;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid var(--accent);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 36px;
}

.circle__icon { margin-bottom: 32px; }
.circle__icon svg { width: 44px; height: 44px; }

.circle__text {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.35;
  color: #D8D8D8;
  max-width: 200px;
}

/* ==============================
   EXPERTISE
============================== */
.bg-transition {
  margin-top: calc(-12% + 60px);
  margin-bottom: -4px;
  position: relative;
  z-index: 0;
  line-height: 0;
  font-size: 0;
}
.bg-transition__img {
  width: 100%;
  display: block;
}
.bg-transition__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  display: block;
  pointer-events: none;
}

/* ==============================
   CASES
============================== */
.cases {
  background: #F5F5F2;
  padding: 80px 0 100px;
  color: #0A0A0A;
}

.cases__title {
  font-size: 64px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  color: #0A0A0A;
  margin-bottom: 48px;
}

.cases__nav {
  display: flex;
  align-items: center;
  gap: 12px;
  height: calc(64px * 1.05 * 2);
}

.cases__nav-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}

.cases__nav-dot {
  display: block;
  flex: 1;
  height: 1.5px;
  background: rgba(0,0,0,0.2);
  border-radius: 2px;
  transition: background 0.2s;
}
.cases__nav-dot--active { background: #0A0A0A; }

.cases__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: opacity 0.2s;
  flex-shrink: 0;
}
.cases__arrow:hover { opacity: 0.4; }

.cases__nav-num {
  font-size: 13px;
  font-weight: 500;
  color: #0A0A0A;
  opacity: 0.5;
  white-space: nowrap;
}

.cases__body {
  display: flex;
  gap: 60px;
  align-items: flex-start;
}

.cases__left {
  width: 50%;
  flex-shrink: 0;
}

.cases__info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.cases__meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cases__meta--scope { gap: 8px; }

.cases__label {
  font-size: 16px;
  font-weight: 500;
  color: rgba(0,0,0,0.4);
  text-transform: lowercase;
  letter-spacing: 0.5px;
}

.cases__client {
  font-size: 40px;
  font-weight: 700;
  color: #2D7C27;
}

.cases__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cases__tag {
  font-size: 14px;
  font-weight: 500;
  color: #0A0A0A;
  border: 1px solid rgba(0,0,0,0.25);
  border-radius: 6px;
  padding: 8px 14px;
}

.cases__desc {
  font-size: 18px;
  color: #0A0A0A;
  line-height: 1.6;
}

.cases__right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  align-self: flex-end;
}

.cases__image {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
}

.cases__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 16px;
}

.expertise { padding: 100px 0; }

.expertise__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 60px;
}

.expertise__title {
  font-size: 58px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
}

.expertise__btn {
  background: var(--accent) !important;
  color: #0A0A0A !important;
  font-size: 20px !important;
  font-weight: 700 !important;
  padding: 4px 20px 4px 4px !important;
}
.expertise__btn svg { width: 44px !important; height: 44px !important; }

.expertise__body {
  display: flex;
  gap: 60px;
  align-items: flex-start;
}

.expertise__img-wrap {
  flex: 1;
}

.expertise__img {
  width: 100%;
  border-radius: 16px;
  display: block;
}

.expertise__accordion { flex: 2; }

/* Accordion */
.acc-item { border-bottom: 1px solid rgba(255,255,255,0.12); }
.acc-item:first-child { border-top: 1px solid rgba(255,255,255,0.12); }

.acc-item__head {
  display: flex;
  align-items: center;
  padding: 20px 0;
  cursor: pointer;
  gap: 20px;
}

.acc-item__num {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.35);
  flex-shrink: 0;
  width: 130px;
}

.acc-item__title {
  font-size: 36px;
  font-weight: 600;
  flex: 1;
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.acc-item__arrow {
  width: 44px;
  height: 44px;
  background: #60C659;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.2s;
}

.arrow-open { width: 18px; height: 18px; opacity: 0; position: absolute; transition: opacity 0.25s ease; }
.arrow-closed { width: 18px; height: 18px; opacity: 1; transition: opacity 0.25s ease; }
.acc-item--open .arrow-open { opacity: 1; }
.acc-item--open .arrow-closed { opacity: 0; }
.acc-item__arrow { position: relative; }
.acc-item--open .acc-item__arrow { opacity: 1; }

.acc-item__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.acc-item--open .acc-item__body {
  max-height: 400px;
  padding-top: 4px;
}

.acc-item__desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.55;
  margin-bottom: 24px;
  padding-left: 150px;
}

.acc-item__footer {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-bottom: 28px;
}

.acc-item__mini {
  font-size: 13px;
  color: #C8FFB8;
  line-height: 1.4;
  width: 130px;
  flex-shrink: 0;
}

.acc-item__footer .btn-outline {
  background: #C8FFB8;
  color: #0A0A0A;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  padding: 10px 22px;
  height: auto;
}
.acc-item__footer .btn-outline:hover { opacity: 0.85; }

/* ==============================
   MODEL
============================== */
.model { padding: 20px 0 20px 0; }

.model__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 56px;
}

.model__title {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1.5px;
  flex-shrink: 0;
}

.model__desc {
  max-width: 220px;
  font-size: 14px;
  color: var(--accent);
  line-height: 1.6;
  text-align: right;
  padding-top: 8px;
}

.model__cards {
  display: flex;
  gap: 20px;
}

.model-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: rgba(2, 26, 26, 0.85);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 20px 16px;
}

.model-card__num {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 16px;
  display: block;
}

.model-card__title {
  font-size: 30px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 50px;
}

.model-card__list {
  list-style: disc;
  padding-left: 18px;
  flex: 1;
  margin-bottom: 32px;
}
.model-card__list li::marker { color: var(--accent); }

.model-card__list li {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.55;
  margin-bottom: 10px;
}

.model-card__btn {
  display: block;
  width: 100%;
  padding: 13px 20px;
  background: var(--accent);
  color: #0A0A0A;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.2s;
  font-family: 'Manrope', sans-serif;
}
.model-card__btn:hover { opacity: 0.85; }

/* ==============================
   CTA
============================== */
.cta {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cta__bg {
  position: absolute;
  inset: 0;
  background-image: url('img/cta-back.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.cta__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  text-align: center;
  padding: 120px 40px;
}

.cta__title {
  font-size: 72px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.05;
  letter-spacing: -2px;
}

.cta__btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 20px 4px 4px;
  background: var(--accent);
  color: #0A0A0A;
  font-size: 20px;
  font-weight: 700;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
  font-family: var(--font);
  white-space: nowrap;
}
.cta__btn svg { border-radius: 3px; flex-shrink: 0; }
.cta__btn:hover { opacity: 0.85; }

/* ==============================
   FOOTER
============================== */
.footer {
  background: #021A1A;
  overflow: hidden;
}

.footer__main {
  display: flex;
  gap: 80px;
  align-items: flex-start;
  padding: 72px 40px 64px;
}

.footer__brand { min-width: 180px; }

.footer__logo {
  margin-bottom: 10px;
}
.footer__logo img { height: 36px; width: auto; display: block; filter: brightness(0) invert(1); }

.footer__tagline {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.5;
}

.footer__nav,
.footer__social,
.footer__contacts {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
  white-space: nowrap;
}
a.footer__link:hover { color: var(--accent); }

.footer__star { flex-shrink: 0; }

.footer__subscribe { margin-left: auto; min-width: 300px; }

.footer__subscribe-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
  line-height: 1.35;
}

.footer__subscribe-row { display: flex; gap: 0; }

.footer__input {
  flex: 1;
  height: 48px;
  border: none;
  background: #ffffff;
  color: #0A0A0A;
  font-size: 15px;
  font-family: var(--font);
  padding: 0 18px;
  border-radius: 8px 0 0 8px;
  outline: none;
}
.footer__input::placeholder { color: rgba(0, 0, 0, 0.4); }

.footer__input-btn {
  width: 48px;
  height: 48px;
  border-radius: 0 8px 8px 0;
  background: var(--accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.2s;
}
.footer__input-btn:hover { opacity: 0.85; }

.footer__bottom {
  padding: 0 80px;
  overflow: hidden;
}

.footer__big-text {
  font-size: clamp(100px, 13vw, 240px);
  font-weight: 900;
  color: rgba(255, 255, 255, 0.04);
  line-height: 0.85;
  letter-spacing: -6px;
  user-select: none;
  white-space: nowrap;
}

.footer__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
}

.footer__bar span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.3);
}

/* ==============================
   MOBILE (≤768px)
============================== */
@media (max-width: 768px) {

  .container { padding: 0 20px; }

  /* Header */
  .header {
    margin: 10px 10px 0;
    height: auto;
    padding: 10px 0;
  }
  .header__inner { gap: 12px; flex-wrap: wrap; }
  .header__nav { display: none; }
  .header__logo img { height: 26px; }
  .header__btn { font-size: 14px; padding: 4px 12px 4px 4px; }
  .header__btn svg { width: 30px; height: 30px; }

  /* Hero */
  .hero { height: auto; padding: 40px 0 60px; }
  .hero__inner { flex-direction: column; }
  .hero__content { width: 100%; padding: 30px 0 0; }
  .hero__title { font-size: 40px; letter-spacing: -1.5px; }
  .hero__visual { display: none; }
  .hero__bottom { flex-direction: column; align-items: flex-start; gap: 20px; }
  .hero__subtitle { font-size: 15px; max-width: 100%; }
  .hero__btn-cta { position: static; font-size: 16px; }
  .hero__btn-cta svg { width: 36px; height: 36px; }

  /* Ticker */
  .ticker__item { font-size: 18px; }

  /* Info */
  .info { padding: 60px 0 0; }
  .info__top { flex-direction: column; gap: 32px; margin-bottom: 48px; }
  .info__lead, .info__body { font-size: 26px; }

  /* Circles */
  .circles-row { grid-template-columns: 1fr 1fr; padding: 0 20px; gap: 12px; }
  .circle { padding: 28px 20px; }
  .circle__text { font-size: 14px; }
  .circle__icon svg { width: 32px; height: 32px; }

  /* Cases */
  .cases { padding: 60px 0 80px; }
  .cases__title { font-size: 36px; letter-spacing: -1px; }
  .cases__body { flex-direction: column; gap: 32px; }
  .cases__left { width: 100%; }
  .cases__client { font-size: 28px; }
  .cases__desc { font-size: 15px; }

  /* Expertise */
  .expertise { padding: 60px 0; }
  .expertise__header { flex-direction: column; align-items: flex-start; gap: 20px; margin-bottom: 32px; }
  .expertise__title { font-size: 36px; letter-spacing: -1px; }
  .expertise__body { flex-direction: column; gap: 32px; }
  .expertise__img-wrap { display: none; }
  .expertise__accordion { flex: none; width: 100%; }
  .acc-item__title { font-size: 22px; }
  .acc-item__num { width: 80px; font-size: 12px; }
  .acc-item__desc { padding-left: 0; font-size: 14px; }
  .acc-item__footer { flex-direction: column; align-items: flex-start; gap: 12px; }
  .acc-item__mini { width: auto; }

  /* Model */
  .model { padding: 40px 0; }
  .model__header { flex-direction: column; gap: 12px; }
  .model__title { font-size: 36px; letter-spacing: -1px; }
  .model__desc { text-align: left; max-width: 100%; }
  .model__cards { flex-direction: column; }

  /* CTA */
  .cta { min-height: 420px; }
  .cta__title { font-size: 36px; letter-spacing: -1px; }
  .cta__content { padding: 60px 20px; gap: 28px; }
  .cta__btn { font-size: 16px; }

  /* Footer */
  .footer__main {
    flex-direction: column;
    gap: 36px;
    padding: 48px 20px 40px;
  }
  .footer__subscribe { margin-left: 0; min-width: unset; width: 100%; }
  .footer__bottom { padding: 0 20px; }
  .footer__bar { flex-direction: column; align-items: flex-start; gap: 8px; padding: 16px 20px; }
}